./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for data races
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:47:24,852 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:47:24,854 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:47:24,915 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:47:24,916 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:47:24,921 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:47:24,923 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:47:24,928 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:47:24,931 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:47:24,939 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:47:24,940 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:47:24,942 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:47:24,943 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:47:24,946 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:47:24,948 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:47:24,954 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:47:24,956 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:47:24,958 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:47:24,960 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:47:24,970 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:47:24,972 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:47:24,974 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:47:24,977 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:47:24,979 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:47:24,983 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:47:24,984 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:47:24,984 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:47:24,986 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:47:24,987 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:47:24,989 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:47:24,989 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:47:24,991 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:47:24,993 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:47:24,994 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:47:24,996 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:47:24,997 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:47:24,997 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:47:24,998 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:47:24,998 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:47:24,999 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:47:25,000 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:47:25,001 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2021-11-13 17:47:25,053 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-13 17:47:25,053 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:47:25,054 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:47:25,054 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:47:25,062 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:47:25,062 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:47:25,063 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:47:25,064 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-13 17:47:25,064 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-13 17:47:25,064 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:47:25,066 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-13 17:47:25,066 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 17:47:25,066 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-13 17:47:25,066 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-13 17:47:25,067 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-13 17:47:25,067 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:47:25,067 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:47:25,067 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:47:25,068 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2021-11-13 17:47:25,068 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-13 17:47:25,068 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-13 17:47:25,068 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-13 17:47:25,069 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:47:25,069 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:47:25,069 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-13 17:47:25,070 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-13 17:47:25,070 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:47:25,070 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:47:25,071 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:47:25,073 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:47:25,073 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-13 17:47:25,074 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 17:47:25,074 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:47:25,074 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:47:25,075 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:47:25,075 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-13 17:47:25,075 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5
[2021-11-13 17:47:25,412 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:47:25,443 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:47:25,446 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:47:25,448 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-13 17:47:25,449 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-13 17:47:25,451 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i
[2021-11-13 17:47:25,555 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/data/5d8324c0e/5a4ef417be8b4d44b96881bc1b626bfb/FLAGa082ceef0
[2021-11-13 17:47:26,114 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-13 17:47:26,115 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i
[2021-11-13 17:47:26,137 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/data/5d8324c0e/5a4ef417be8b4d44b96881bc1b626bfb/FLAGa082ceef0
[2021-11-13 17:47:26,378 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/data/5d8324c0e/5a4ef417be8b4d44b96881bc1b626bfb
[2021-11-13 17:47:26,381 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:47:26,382 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:47:26,384 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:47:26,384 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:47:26,388 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:47:26,390 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:47:26" (1/1) ...
[2021-11-13 17:47:26,393 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10170981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:26, skipping insertion in model container
[2021-11-13 17:47:26,395 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:47:26" (1/1) ...
[2021-11-13 17:47:26,403 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-13 17:47:26,473 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:47:26,994 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:47:27,013 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-13 17:47:27,089 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:47:27,178 INFO  L208         MainTranslator]: Completed translation
[2021-11-13 17:47:27,179 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27 WrapperNode
[2021-11-13 17:47:27,179 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:47:27,181 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:47:27,181 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:47:27,181 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:47:27,189 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,222 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,258 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:47:27,260 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:47:27,260 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:47:27,260 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:47:27,268 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,269 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,282 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,282 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,293 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,303 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,304 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,309 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:47:27,319 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:47:27,319 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:47:27,319 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:47:27,320 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (1/1) ...
[2021-11-13 17:47:27,333 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:47:27,345 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:47:27,363 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:47:27,393 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:47:27,411 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:47:27,411 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:47:27,411 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 17:47:27,411 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2021-11-13 17:47:27,412 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2021-11-13 17:47:27,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2021-11-13 17:47:27,412 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:47:27,412 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:47:27,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:47:27,414 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-13 17:47:27,749 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:47:27,749 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-13 17:47:27,751 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:47:27 BoogieIcfgContainer
[2021-11-13 17:47:27,752 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:47:27,753 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:47:27,754 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:47:27,757 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:47:27,758 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:47:26" (1/3) ...
[2021-11-13 17:47:27,759 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb818a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:47:27, skipping insertion in model container
[2021-11-13 17:47:27,759 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:27" (2/3) ...
[2021-11-13 17:47:27,759 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb818a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:47:27, skipping insertion in model container
[2021-11-13 17:47:27,760 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:47:27" (3/3) ...
[2021-11-13 17:47:27,761 INFO  L111   eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i
[2021-11-13 17:47:27,767 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-13 17:47:27,767 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:47:27,768 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations.
[2021-11-13 17:47:27,768 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-13 17:47:27,798 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,798 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,798 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,798 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,799 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,799 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,799 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,799 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,800 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,800 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,801 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,801 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,802 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,802 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,803 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,803 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,803 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,803 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,804 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,804 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,804 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,805 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,805 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,805 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,806 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,806 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,809 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,810 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,810 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,810 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,810 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,810 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:47:27,813 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-11-13 17:47:27,867 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:47:27,874 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 17:47:27,881 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2021-11-13 17:47:27,900 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 84 places, 80 transitions, 165 flow
[2021-11-13 17:47:27,981 INFO  L129       PetriNetUnfolder]: 0/79 cut-off events.
[2021-11-13 17:47:27,981 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-11-13 17:47:27,985 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 83 conditions, 79 events. 0/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. 
[2021-11-13 17:47:27,985 INFO  L82        GeneralOperation]: Start removeDead. Operand has 84 places, 80 transitions, 165 flow
[2021-11-13 17:47:27,992 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 83 places, 79 transitions, 161 flow
[2021-11-13 17:47:28,016 INFO  L129       PetriNetUnfolder]: 0/30 cut-off events.
[2021-11-13 17:47:28,017 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-11-13 17:47:28,017 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:47:28,018 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:28,018 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2021-11-13 17:47:28,028 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:28,029 INFO  L85        PathProgramCache]: Analyzing trace with hash 1351553223, now seen corresponding path program 1 times
[2021-11-13 17:47:28,038 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:28,039 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137731306]
[2021-11-13 17:47:28,040 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:28,041 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:28,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:28,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:47:28,254 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:28,255 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137731306]
[2021-11-13 17:47:28,257 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137731306] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:28,257 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:28,257 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:47:28,259 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077509396]
[2021-11-13 17:47:28,260 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:28,270 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:47:28,271 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:28,301 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:47:28,303 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:47:28,307 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 67 out of 80
[2021-11-13 17:47:28,310 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 79 transitions, 161 flow. Second operand  has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,311 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:47:28,311 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 80
[2021-11-13 17:47:28,312 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:47:28,353 INFO  L129       PetriNetUnfolder]: 0/78 cut-off events.
[2021-11-13 17:47:28,353 INFO  L130       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2021-11-13 17:47:28,354 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 95 conditions, 78 events. 0/78 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. 
[2021-11-13 17:47:28,355 INFO  L132   encePairwiseOnDemand]: 77/80 looper letters, 10 selfloop transitions, 2 changer transitions 0/78 dead transitions.
[2021-11-13 17:47:28,355 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 78 transitions, 183 flow
[2021-11-13 17:47:28,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-13 17:47:28,359 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:47:28,368 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions.
[2021-11-13 17:47:28,370 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8916666666666667
[2021-11-13 17:47:28,371 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 214 transitions.
[2021-11-13 17:47:28,372 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 214 transitions.
[2021-11-13 17:47:28,374 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:47:28,376 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 214 transitions.
[2021-11-13 17:47:28,380 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,385 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,386 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,388 INFO  L186             Difference]: Start difference. First operand has 83 places, 79 transitions, 161 flow. Second operand 3 states and 214 transitions.
[2021-11-13 17:47:28,389 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 78 transitions, 183 flow
[2021-11-13 17:47:28,393 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 78 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-11-13 17:47:28,397 INFO  L242             Difference]: Finished difference. Result has 83 places, 78 transitions, 162 flow
[2021-11-13 17:47:28,399 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=83, PETRI_TRANSITIONS=78}
[2021-11-13 17:47:28,403 INFO  L334   CegarLoopForPetriNet]: 83 programPoint places, 0 predicate places.
[2021-11-13 17:47:28,404 INFO  L470      AbstractCegarLoop]: Abstraction has has 83 places, 78 transitions, 162 flow
[2021-11-13 17:47:28,404 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,404 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:47:28,405 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:28,405 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 17:47:28,405 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2021-11-13 17:47:28,406 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:28,407 INFO  L85        PathProgramCache]: Analyzing trace with hash -1196203792, now seen corresponding path program 1 times
[2021-11-13 17:47:28,407 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:28,407 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395008106]
[2021-11-13 17:47:28,407 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:28,408 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:28,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:28,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:47:28,469 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:28,470 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395008106]
[2021-11-13 17:47:28,470 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395008106] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:28,470 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:28,470 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:47:28,471 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324184716]
[2021-11-13 17:47:28,471 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:28,473 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:47:28,473 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:28,474 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:47:28,474 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:47:28,475 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 67 out of 80
[2021-11-13 17:47:28,476 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 78 transitions, 162 flow. Second operand  has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,476 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:47:28,476 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 80
[2021-11-13 17:47:28,477 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:47:28,509 INFO  L129       PetriNetUnfolder]: 0/76 cut-off events.
[2021-11-13 17:47:28,510 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-11-13 17:47:28,510 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 94 conditions, 76 events. 0/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. 
[2021-11-13 17:47:28,511 INFO  L132   encePairwiseOnDemand]: 74/80 looper letters, 7 selfloop transitions, 4 changer transitions 0/76 dead transitions.
[2021-11-13 17:47:28,511 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 76 transitions, 180 flow
[2021-11-13 17:47:28,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-13 17:47:28,512 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:47:28,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions.
[2021-11-13 17:47:28,514 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8916666666666667
[2021-11-13 17:47:28,514 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 214 transitions.
[2021-11-13 17:47:28,514 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 214 transitions.
[2021-11-13 17:47:28,515 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:47:28,516 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 214 transitions.
[2021-11-13 17:47:28,517 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,519 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,520 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,520 INFO  L186             Difference]: Start difference. First operand has 83 places, 78 transitions, 162 flow. Second operand 3 states and 214 transitions.
[2021-11-13 17:47:28,520 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 76 transitions, 180 flow
[2021-11-13 17:47:28,521 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 76 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-11-13 17:47:28,524 INFO  L242             Difference]: Finished difference. Result has 81 places, 76 transitions, 162 flow
[2021-11-13 17:47:28,524 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=81, PETRI_TRANSITIONS=76}
[2021-11-13 17:47:28,525 INFO  L334   CegarLoopForPetriNet]: 83 programPoint places, -2 predicate places.
[2021-11-13 17:47:28,526 INFO  L470      AbstractCegarLoop]: Abstraction has has 81 places, 76 transitions, 162 flow
[2021-11-13 17:47:28,526 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,526 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:47:28,527 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:28,527 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 17:47:28,527 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2021-11-13 17:47:28,528 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:28,528 INFO  L85        PathProgramCache]: Analyzing trace with hash 2105824776, now seen corresponding path program 1 times
[2021-11-13 17:47:28,528 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:28,529 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489535675]
[2021-11-13 17:47:28,529 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:28,529 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:28,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:28,590 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:47:28,590 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:28,591 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489535675]
[2021-11-13 17:47:28,591 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489535675] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:28,591 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:28,591 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:47:28,592 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049233579]
[2021-11-13 17:47:28,592 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:28,592 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:47:28,593 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:28,593 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:47:28,593 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:47:28,595 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 64 out of 80
[2021-11-13 17:47:28,595 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 76 transitions, 162 flow. Second operand  has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,596 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:47:28,596 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 80
[2021-11-13 17:47:28,596 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:47:28,631 INFO  L129       PetriNetUnfolder]: 0/75 cut-off events.
[2021-11-13 17:47:28,631 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-11-13 17:47:28,631 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 97 conditions, 75 events. 0/75 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. 
[2021-11-13 17:47:28,632 INFO  L132   encePairwiseOnDemand]: 77/80 looper letters, 11 selfloop transitions, 2 changer transitions 0/75 dead transitions.
[2021-11-13 17:47:28,632 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 186 flow
[2021-11-13 17:47:28,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-13 17:47:28,633 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:47:28,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions.
[2021-11-13 17:47:28,636 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8583333333333333
[2021-11-13 17:47:28,636 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 206 transitions.
[2021-11-13 17:47:28,636 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 206 transitions.
[2021-11-13 17:47:28,637 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:47:28,637 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 206 transitions.
[2021-11-13 17:47:28,639 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,640 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,641 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,641 INFO  L186             Difference]: Start difference. First operand has 81 places, 76 transitions, 162 flow. Second operand 3 states and 206 transitions.
[2021-11-13 17:47:28,641 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 186 flow
[2021-11-13 17:47:28,643 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-11-13 17:47:28,645 INFO  L242             Difference]: Finished difference. Result has 80 places, 75 transitions, 156 flow
[2021-11-13 17:47:28,646 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=80, PETRI_TRANSITIONS=75}
[2021-11-13 17:47:28,647 INFO  L334   CegarLoopForPetriNet]: 83 programPoint places, -3 predicate places.
[2021-11-13 17:47:28,647 INFO  L470      AbstractCegarLoop]: Abstraction has has 80 places, 75 transitions, 156 flow
[2021-11-13 17:47:28,647 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,648 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:47:28,648 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:28,648 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 17:47:28,648 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2021-11-13 17:47:28,649 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:28,649 INFO  L85        PathProgramCache]: Analyzing trace with hash -477809606, now seen corresponding path program 1 times
[2021-11-13 17:47:28,650 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:28,650 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063545662]
[2021-11-13 17:47:28,650 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:28,650 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:28,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:28,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:47:28,716 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:28,716 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063545662]
[2021-11-13 17:47:28,717 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063545662] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:28,717 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:28,717 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:47:28,717 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395396607]
[2021-11-13 17:47:28,718 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:28,718 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:47:28,718 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:28,719 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:47:28,719 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:47:28,720 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 70 out of 80
[2021-11-13 17:47:28,721 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 75 transitions, 156 flow. Second operand  has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,721 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:47:28,722 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 80
[2021-11-13 17:47:28,722 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:47:28,749 INFO  L129       PetriNetUnfolder]: 0/74 cut-off events.
[2021-11-13 17:47:28,749 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-11-13 17:47:28,749 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 89 conditions, 74 events. 0/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. 
[2021-11-13 17:47:28,750 INFO  L132   encePairwiseOnDemand]: 77/80 looper letters, 6 selfloop transitions, 2 changer transitions 0/74 dead transitions.
[2021-11-13 17:47:28,750 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 74 transitions, 170 flow
[2021-11-13 17:47:28,771 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-13 17:47:28,771 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:47:28,773 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions.
[2021-11-13 17:47:28,773 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9125
[2021-11-13 17:47:28,774 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 219 transitions.
[2021-11-13 17:47:28,774 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 219 transitions.
[2021-11-13 17:47:28,774 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:47:28,774 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 219 transitions.
[2021-11-13 17:47:28,776 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,777 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,778 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,778 INFO  L186             Difference]: Start difference. First operand has 80 places, 75 transitions, 156 flow. Second operand 3 states and 219 transitions.
[2021-11-13 17:47:28,778 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 74 transitions, 170 flow
[2021-11-13 17:47:28,779 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 74 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-11-13 17:47:28,782 INFO  L242             Difference]: Finished difference. Result has 79 places, 74 transitions, 154 flow
[2021-11-13 17:47:28,782 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=79, PETRI_TRANSITIONS=74}
[2021-11-13 17:47:28,783 INFO  L334   CegarLoopForPetriNet]: 83 programPoint places, -4 predicate places.
[2021-11-13 17:47:28,783 INFO  L470      AbstractCegarLoop]: Abstraction has has 79 places, 74 transitions, 154 flow
[2021-11-13 17:47:28,784 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,784 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:47:28,784 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:28,784 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 17:47:28,785 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2021-11-13 17:47:28,785 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:28,786 INFO  L85        PathProgramCache]: Analyzing trace with hash -1375387883, now seen corresponding path program 1 times
[2021-11-13 17:47:28,786 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:28,786 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455158412]
[2021-11-13 17:47:28,786 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:28,787 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:28,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:28,838 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:47:28,838 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:28,838 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455158412]
[2021-11-13 17:47:28,839 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455158412] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:28,839 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:28,839 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:47:28,839 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638465136]
[2021-11-13 17:47:28,840 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:28,840 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:47:28,840 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:28,841 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:47:28,841 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:47:28,842 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 67 out of 80
[2021-11-13 17:47:28,843 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 74 transitions, 154 flow. Second operand  has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,843 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:47:28,843 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 80
[2021-11-13 17:47:28,843 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:47:28,870 INFO  L129       PetriNetUnfolder]: 0/73 cut-off events.
[2021-11-13 17:47:28,871 INFO  L130       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2021-11-13 17:47:28,871 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 90 conditions, 73 events. 0/73 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. 
[2021-11-13 17:47:28,872 INFO  L132   encePairwiseOnDemand]: 77/80 looper letters, 8 selfloop transitions, 2 changer transitions 5/73 dead transitions.
[2021-11-13 17:47:28,872 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 73 transitions, 172 flow
[2021-11-13 17:47:28,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-13 17:47:28,872 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:47:28,873 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 212 transitions.
[2021-11-13 17:47:28,874 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8833333333333333
[2021-11-13 17:47:28,874 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 212 transitions.
[2021-11-13 17:47:28,874 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 212 transitions.
[2021-11-13 17:47:28,875 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:47:28,875 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 212 transitions.
[2021-11-13 17:47:28,876 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,877 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,878 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,878 INFO  L186             Difference]: Start difference. First operand has 79 places, 74 transitions, 154 flow. Second operand 3 states and 212 transitions.
[2021-11-13 17:47:28,878 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 73 transitions, 172 flow
[2021-11-13 17:47:28,879 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 73 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-11-13 17:47:28,881 INFO  L242             Difference]: Finished difference. Result has 78 places, 68 transitions, 142 flow
[2021-11-13 17:47:28,882 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=78, PETRI_TRANSITIONS=68}
[2021-11-13 17:47:28,883 INFO  L334   CegarLoopForPetriNet]: 83 programPoint places, -5 predicate places.
[2021-11-13 17:47:28,883 INFO  L470      AbstractCegarLoop]: Abstraction has has 78 places, 68 transitions, 142 flow
[2021-11-13 17:47:28,883 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,883 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:47:28,884 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:28,884 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 17:47:28,884 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2021-11-13 17:47:28,885 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:28,885 INFO  L85        PathProgramCache]: Analyzing trace with hash -1931977451, now seen corresponding path program 1 times
[2021-11-13 17:47:28,885 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:28,886 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061570196]
[2021-11-13 17:47:28,886 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:28,886 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:28,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:28,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:47:28,980 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:28,981 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061570196]
[2021-11-13 17:47:28,981 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061570196] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:28,981 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:28,981 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:47:28,982 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842474459]
[2021-11-13 17:47:28,982 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:28,982 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:47:28,982 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:28,983 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:47:28,983 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:47:28,984 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 65 out of 80
[2021-11-13 17:47:28,984 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 68 transitions, 142 flow. Second operand  has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:28,985 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:47:28,985 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 80
[2021-11-13 17:47:28,985 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:47:29,019 INFO  L129       PetriNetUnfolder]: 0/67 cut-off events.
[2021-11-13 17:47:29,019 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-11-13 17:47:29,020 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 83 conditions, 67 events. 0/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs, 0 based on Foata normal form. 1/68 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. 
[2021-11-13 17:47:29,020 INFO  L132   encePairwiseOnDemand]: 78/80 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions.
[2021-11-13 17:47:29,021 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 67 transitions, 158 flow
[2021-11-13 17:47:29,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-13 17:47:29,021 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:47:29,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions.
[2021-11-13 17:47:29,022 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8541666666666666
[2021-11-13 17:47:29,022 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 205 transitions.
[2021-11-13 17:47:29,022 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions.
[2021-11-13 17:47:29,023 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:47:29,023 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions.
[2021-11-13 17:47:29,024 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:29,026 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:29,029 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:29,031 INFO  L186             Difference]: Start difference. First operand has 78 places, 68 transitions, 142 flow. Second operand 3 states and 205 transitions.
[2021-11-13 17:47:29,031 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 67 transitions, 158 flow
[2021-11-13 17:47:29,033 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 67 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-11-13 17:47:29,034 INFO  L242             Difference]: Finished difference. Result has 72 places, 0 transitions, 0 flow
[2021-11-13 17:47:29,034 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=72, PETRI_TRANSITIONS=0}
[2021-11-13 17:47:29,037 INFO  L334   CegarLoopForPetriNet]: 83 programPoint places, -11 predicate places.
[2021-11-13 17:47:29,038 INFO  L470      AbstractCegarLoop]: Abstraction has has 72 places, 0 transitions, 0 flow
[2021-11-13 17:47:29,039 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:29,041 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining)
[2021-11-13 17:47:29,042 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining)
[2021-11-13 17:47:29,042 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining)
[2021-11-13 17:47:29,042 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining)
[2021-11-13 17:47:29,042 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining)
[2021-11-13 17:47:29,043 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 10 remaining)
[2021-11-13 17:47:29,043 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining)
[2021-11-13 17:47:29,043 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining)
[2021-11-13 17:47:29,043 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining)
[2021-11-13 17:47:29,044 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining)
[2021-11-13 17:47:29,044 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 17:47:29,048 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:29,053 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-11-13 17:47:29,053 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:47:29,057 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:47:29 BasicIcfg
[2021-11-13 17:47:29,057 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:47:29,058 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:47:29,058 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:47:29,058 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-11-13 17:47:29,059 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:47:27" (3/4) ...
[2021-11-13 17:47:29,061 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-11-13 17:47:29,068 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2021-11-13 17:47:29,073 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2021-11-13 17:47:29,073 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-11-13 17:47:29,073 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 17:47:29,108 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 17:47:29,109 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:47:29,109 INFO  L158              Benchmark]: Toolchain (without parser) took 2727.19ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 61.7MB in the end (delta: -11.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB.
[2021-11-13 17:47:29,110 INFO  L158              Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:47:29,111 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 795.82ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 50.4MB in the beginning and 70.9MB in the end (delta: -20.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
[2021-11-13 17:47:29,111 INFO  L158              Benchmark]: Boogie Procedure Inliner took 78.11ms. Allocated memory is still 113.2MB. Free memory was 70.9MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:47:29,111 INFO  L158              Benchmark]: Boogie Preprocessor took 57.89ms. Allocated memory is still 113.2MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:47:29,112 INFO  L158              Benchmark]: RCFGBuilder took 433.18ms. Allocated memory is still 113.2MB. Free memory was 67.3MB in the beginning and 55.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 17:47:29,112 INFO  L158              Benchmark]: TraceAbstraction took 1304.04ms. Allocated memory is still 113.2MB. Free memory was 55.4MB in the beginning and 64.6MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:47:29,113 INFO  L158              Benchmark]: Witness Printer took 50.71ms. Allocated memory is still 113.2MB. Free memory was 64.6MB in the beginning and 61.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:47:29,116 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 795.82ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 50.4MB in the beginning and 70.9MB in the end (delta: -20.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 78.11ms. Allocated memory is still 113.2MB. Free memory was 70.9MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 57.89ms. Allocated memory is still 113.2MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 433.18ms. Allocated memory is still 113.2MB. Free memory was 67.3MB in the beginning and 55.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1304.04ms. Allocated memory is still 113.2MB. Free memory was 55.4MB in the beginning and 64.6MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 50.71ms. Allocated memory is still 113.2MB. Free memory was 64.6MB in the beginning and 61.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 929]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 930]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 930]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 932]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 932]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 923]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 923]: there are no data races
    For all program executions holds that there are no data races at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 98 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 80.40ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 59.53ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 51 mSDtfsCounter, 62 mSolverCounterSat, 2.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    7 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2021-11-13 17:47:29,158 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d48503-0ebf-49ad-9a0e-1dba92fa0b96/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE